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From: Julien Lepiller <julien@lepiller.eu>
To: zimoun <zimon.toutoune@gmail.com>
Cc: 43721@debbugs.gnu.org
Subject: bug#43721: Package 'dune' (ocaml) is not Reproducible
Date: Wed, 30 Sep 2020 14:42:32 +0200	[thread overview]
Message-ID: <20200930144232.0091aad3@tachikoma.lepiller.eu> (raw)
In-Reply-To: <87v9fva36i.fsf@gmail.com>

Le Wed, 30 Sep 2020 13:56:21 +0200,
zimoun <zimon.toutoune@gmail.com> a écrit :

> Dear,
> 
> Using Guix 04a459a, the classical:
> 
>    guix build dune
>    guix build dune --no-grafts --check -K
> 
> return:
> 
> --8<---------------cut here---------------start------------->8---
> guix build: error: derivation
> `/gnu/store/kg7mnb1b09n5zddgvc4hs8ira3i4jzz2-dune-1.11.3.drv' may not
> be deterministic: output
> `/gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3' differs
> from ‘/gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check’
> --8<---------------cut here---------------end--------------->8---
> 
> then:
> 
>    diff -r --no-dereference
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3{,-check} 
> returns a large output (truncated here):
> 
> --8<---------------cut here---------------start------------->8---
> Binary files
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3/lib/ocaml/site-lib/dune/configurator/configurator.cma
> and
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check/lib/ocaml/site-lib/dune/configurator/configurator.cma
> differ Binary files
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3/lib/ocaml/site-lib/dune/configurator/configurator__Extract_obj.cmt
> and
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check/lib/ocaml/site-lib/dune/configurator/configurator__Extract_obj.cmt
> differ Binary files
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3/lib/ocaml/site-lib/dune/configurator/configurator__V1.cmti
> and
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check/lib/ocaml/site-lib/dune/configurator/configurator__V1.cmti
> differ
> 
> [...]
> 
> Binary files
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3/lib/ocaml/site-lib/dune/_stdune/stdune__User_error.cmti
> and
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check/lib/ocaml/site-lib/dune/_stdune/stdune__User_error.cmti
> differ Binary files
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3/lib/ocaml/site-lib/dune/_stdune/stdune__User_message.cmti
> and
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check/lib/ocaml/site-lib/dune/_stdune/stdune__User_message.cmti
> differ Binary files
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3/lib/ocaml/site-lib/dune/_stdune/stdune__User_warning.cmti
> and
> /gnu/store/1wwdmzcjhrpal92sz2zwzhyqmbc3w7ri-dune-1.11.3-check/lib/ocaml/site-lib/dune/_stdune/stdune__User_warning.cmti
> differ --8<---------------cut
> here---------------end--------------->8---
> 
> 
> Is it expected?  Does it comes from timestamp?  Is it avoidable?
> 
> 
> I have not tried (yet) with the patch [1] updating ’dune’.
> 
> [1] <http://issues.guix.gnu.org/issue/40091>
> 
> All the best,
> simon
> 
> 
> 

The difference seems to be bigger than a simple timestamp, but it's all
on binary files, and diffoscope is not very useful for that. Maybe file
system ordering? I'm investigating.




  parent reply	other threads:[~2020-09-30 12:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30 11:56 bug#43721: Package 'dune' (ocaml) is not Reproducible zimoun
2020-09-30 12:41 ` Tobias Geerinckx-Rice via Bug reports for GNU Guix
2020-09-30 12:42 ` Julien Lepiller [this message]
2020-10-13 12:17   ` zimoun
2020-10-13 15:29     ` Julien Lepiller
2020-10-13 15:41       ` zimoun
2020-10-13 15:54         ` Julien Lepiller
2020-10-28 18:54       ` zimoun

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